Organic Test from 2008

Organic Test from 2008 - CHM 2120 Test ANSWERS September...

Info iconThis preview shows pages 1–4. Sign up to view the full content.

View Full Document Right Arrow Icon
CHM 2120 Test±–± ANSWERS September 23, 2008 First Name: _____________________ Last Name: _______________________ Student Number: ______________________ Section: A (MRN Aud): ___________ B (UCU Aud): ___________ Approximate total number of marks: 81 Note: the marks are given as a guide and are subject to change
Background image of page 1

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
Test – ANSWERS 2 1. Draw the following molecules as full Lewis structures and name them. (6 points) a. CH 3 CHCHCH 2 CH 2 CH 2 OH 2 pts: structure 1 pt: name HC H H C H C H C H H C H H C H O H H hex-4-en-1-ol b. NaOAc 2 pts: structure 1 pt: name O C O C H H H sodium acetate Na or O C O C H H H Na 2. a. Draw the important resonance forms using arrows to show the movement of electrons. (4 points) b. Rank the resonance structures. (2 points) c. Justify your ranking. (5 points) NH O Intermediate Minor Major - all atoms have octets - One charge - Negative charge on N, the less electronegative atom The C + lacks an octet - All atoms have full octets - 1 charge - Negative charge on O, the more electronegative atom 1po in t 1po in t Structure: 1po in t Structure: 1po in t Extra, wrong structures (pentavalent carbon, etc): -1 1 1
Background image of page 2
Test – ANSWERS 3 3. a.
Background image of page 3

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
Image of page 4
This is the end of the preview. Sign up to access the rest of the document.

This note was uploaded on 01/22/2011 for the course CHM 2120 taught by Professor Dr.flynn during the Winter '10 term at University of Ottawa.

Page1 / 8

Organic Test from 2008 - CHM 2120 Test ANSWERS September...

This preview shows document pages 1 - 4. Sign up to view the full document.

View Full Document Right Arrow Icon
Ask a homework question - tutors are online